1405622 has 8 divisors (see below), whose sum is σ = 2200176. Its totient is φ = 672232.

The previous prime is 1405597. The next prime is 1405631. The reversal of 1405622 is 2265041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1405594 and 1405603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15233 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (275022).

2^1405622 is an apocalyptic number.

1405622 is a deficient number, since it is larger than the sum of its proper divisors (794554).

1405622 is a wasteful number, since it uses less digits than its factorization.

1405622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1405622 is about 1185.5893049450. The cubic root of 1405622 is about 112.0184387159.

The spelling of 1405622 in words is "one million, four hundred five thousand, six hundred twenty-two".